bio& 241 a&p unit 4 lecture 2

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Bio& 241 A&P Unit 4 Lecture 2. Embryonic Development of the Brain and Spinal Cord. Embryonic Development of the Brain and Spinal Cord, Primary Structures. Embryonic Development of the Brain and Spinal Cord, Secondary Structures. Flow Chart for the Nervous System. - PowerPoint PPT Presentation

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Bio& 241 A&P Unit 4 Lecture 2

Embryonic Development of the Brain and Spinal Cord

Embryonic Development of the Brain and Spinal Cord, Primary Structures

Embryonic Development of the Brain and Spinal Cord, Secondary Structures

Flow Chart for the Nervous System

Major Structures of the Brain

Major Structures of the Brain

Major Structures of the Brain

Major Structures of the Brain

Embryonic Development of the Brain and Spinal Cord

Embryonic Development of the Brain and Spinal Cord

Arrangement of the

Meninges and their spaces

Lobes of the Cerebral Cortex

Functional Areas of the Cerebral Cortex

Major Structures of the Brain as seen in Frontal Section

Major Structures of the Brain as seen from an inferior view including

cranial nerves

Major Structures of the Brain as seen in midsagittal

Corpus Callosum

Septum pellucidum

Major Structures of the Brain

Fornix

Intermediate mass ofthe Thalamus

Major Structures of the Brain

Corpora Quadrigemina

Cisterna cerebellomedullaris

Cisterna superiors

Major Structures of the Brain

Major Structures of the Brain

Cerebrospinal Fluid “CSF”Blood-Brain Barrier: formed by tight junction of the endothelial

cells of capillaries, tight junction between ependymal cells and astrocytes. These three tissues are involved in production of CSF.

Total Volume: 80-150 mlProduction rate: 20ml/hr.Composition: glucose, proteins, lactic acid, urea

cations (Na+, K+, Ca2+, Mg2+)anions (Cl-, HCO3-)

Functions:1. Mechanical protection2. Chemical protection

hyponatremia, hypernatremia3. Circulation

Ventricles of the Brain

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